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Instructional Leaflet IL0131187EN
Installation and removal instructions
for IZM series fixed breaker
three-way Type 32 cable interlock kit
Instructions apply to:
IZM air circuit breakers
Effective June 2022
Contents
Description
General information . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation of cable interlock assembly . . . . . . . . . 4
Functional test of interlock assembly . . . . . . . . . 10
Page
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Summary of Contents for Eaton IZM Series
- Page 1 Instructional Leaflet IL0131187EN Effective June 2022 Installation and removal instructions for IZM series fixed breaker three-way Type 32 cable interlock kit Contents Description Page General information . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation of cable interlock assembly .
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Page 2: General Information
Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit m WARNING (1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE PERMITTED TO WORK ON THE EQUIPMENT Breaker A (2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITS IF A CIR-... - Page 3 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Table 2. Interlock assembly kits for interconnected breakers Table 3. Interconnecting cable kits (two cables per kit) Interconnected Interlock assembly kit...
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Page 4: Required Tools
Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Installation of three-way cable interlock Step 3 Install the drive arm (D) to the end of the pole shaft using an Required tools M6 x 25 mm flathead screw (B) . - Page 5 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Step 5 Attach the mounting plate (I) with the interlock assembly (E) and cable bracket (G) installed in Step 4 to the right side of the breaker as shown in Figure 8 .
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Page 6: Installation Recommendations
Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Step 6 Table 4. Type 32 interlock logic Breaker This step contains cable routing and installation procedures . Make... - Page 7 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Step 7 6 . Raise the cable assembly until threaded portion of bulkhead fitting enters slotted hole in cable bracket (threads show This step describes how to first attach the drive (short rod) end of a above bracket) .
- Page 8 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit To attach the drive (short rod) end of a cable to the drive lever push swivel fitting (refer to Figure 11), follow the directions below (see Figure 12) .
- Page 9 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit If there is too much clearance, adjust both bulkhead nuts to retract the cable housing (move threaded portion down) .
- Page 10 Instructional Leaflet IL0131187EN Installation and removal instructions for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit Functional test of interlock assembly Refer to Table 1 and Figure 1 for breaker position in the interlock configuration . Begin test sequence with all breakers OPEN . For Breaker A, verify that the interlock assembly is positioned as shown in Figure 18 while in the various states required by the steps below .
- Page 11 Installation and removal instructions Instructional Leaflet IL0131187EN for IZM series fixed breaker Effective June 2022 three-way Type 32 cable interlock kit EATON www.eaton.com...
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Page 12: Disclaimer Of Warranties And Limitation Of Liability
THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES . In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability, or otherwise...